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GNESIOTROCHA, KUTIKOVA, 1970 (superorder)

FLOSCULARIACEA, (REMANE, 1933) (order)

TESTUDINELLIDAE,(BARTOS,1959) (family)
 syn. Pterodina)

Lorica present, i.e. cuticle thickened to form a stiff shell  (lorica), which retain its shape well after preservation. Lorica strongly flattened, circular in outline, foot opening ventral, and foot ends in circle of cilia. Jaws malleoramate.

68 a. In fresh and brackish water. 
Only one species planktonic.
- Laguna de Bay, Pasig River, Paoay Lake, La Mesa Dam, 
  Taal Lake, Lake Lanao, Calamba River, 
  IRRI rice field.
   Testudinella patina (HERMAN, 1783)
          [1978a,b, 1980, 1984, 1986, 1999, 2008b, 2009]

T. patina  from Laguna de Bay	T. patina (?) (Photo Rey Donne S. Papa, 2007)

 

 

POMPHOLYX, GOSSE 1851.

Lorica present, i.e. cuticle thickened to form a
stiff shell (lorica), which retain its shape well after
preservation. Lorica oval, 4 loped in cross section.
Planktonic.

69 a. Planktonic in eutrophic ponds and lakes, 
also in brackish water.
- Laguna de Bay.
   Pompholyx sulcata, (HUDSON, 1885)
          [1941, 1974]

TROCHOSPHAERA, SEMPER 1872

Without foot. Lorica absent, i.e. cuticle thin and flexible, not usually retaining its shape well after preservation. Large, spherical, with corona (wheel organ) in equator of body.

 

70 a. In ricefields and ponds, warm stenotherm.
- Philippines and China
   Trochosphaera aequatorialis (SEMPER, 1872)
          [1875 (in 1978)]

To 71 a.